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Feedback design for multi-transmission reception point transmission

A receiving point and coordinated transmission technology, applied in the field of transmission mode, can solve the problems of increasing signaling overhead and delay

Pending Publication Date: 2021-04-09
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such coordination techniques for different configurations between UE and TRP may introduce delay and increase signaling overhead

Method used

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  • Feedback design for multi-transmission reception point transmission
  • Feedback design for multi-transmission reception point transmission
  • Feedback design for multi-transmission reception point transmission

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Embodiment Construction

[0064] The described technology relates to an improved method, system, apparatus, or apparatus for supporting feedback design for multi-transmit-receive-point (multi-TRP) transmissions. In general, the described techniques provide for coordinated communication between a set of Transceiver Points (TRPs) and a User Equipment (UE), enabling the UE to coordinate transmission modes based on downlink control signaling and the UE is configured to operate in to identify a configuration for sending feedback to at least one of the TRPs.

[0065] In an example, the first TRP in the TRP set may send a configuration message for configuring the UE to use the first coordinated transmission mode in a different coordinated transmission mode set to communicate with the TRP set in coordinated transmission. Each coordinated transmission pattern may indicate a number of uplink and downlink control channels and a number of uplink and downlink data channels configured for communication between a par...

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Abstract

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration message configuring the UE to communicate coordinated transmissions with multiple transmission reception points (TRPs) using a first coordinated transmission mode of a set of different coordinated transmission modes. The UE may receive, based on the configuration message, downlink control information including at least one indicator and receive a first coordinated transmission communicated in accordance with the first coordinated transmission mode. The UE may transmit, in accordance with a feedback configuration corresponding to the at least one indicator and the first coordinated transmission mode, a feedback message for the first coordinated transmission to at least one of the multiple TRPs.

Description

[0001] cross reference [0002] This patent application claims the benefit of U.S. Provisional Patent Application No. 62 / 694,959, entitled "Feedback Design for Multi-Transmission Reception Point Transmission," filed by Yang et al. on July 6, 2018, and filed by Yang et al. on June 28, 2019 US Patent Application No. 16 / 457,532 entitled "Feedback Design for Multi-Transmission Reception Point Transmission" inventions, each of which is assigned to the assignee of this patent. Background technique [0003] The following relates generally to wireless communications and, more specifically, to multi-transmit-receive-point (multi-TRP) transmissions. [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing available system resources (eg, time, frequency, and power). Examples of su...

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L5/0035H04L5/0055H04L5/0007H04L5/001H04W76/15H04W72/23H04W72/0446H04W72/21
Inventor 杨桅Y.黄J.B.索里亚加G.斯里德哈兰J.K.桑达拉拉詹S.霍塞尼
Owner QUALCOMM INC